tube holes on tube sheet
... holes in joints of welded vessels ==> 焊接容器接头处的孔 holes on tube sheet ==> 管板管口 Holfos bronze ==> 霍耳福斯高强度青铜 ...
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管板管口
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由于介质原因造成腐蚀，使一台丙烯冷凝器管板上大面积的管口焊缝失效发生泄漏。
Because of condenser caused by mediums, leakage occurred in the large-area welding between pipe connect of a C_3H_6 condenser tube sheet.
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